Wheelchair frame



FIG. 1 is a perspective view of a wheelchair frame showing my newdesign;

FIG. 2 is a top elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is an enlarged view, in perspective, of the area indicated inFIG. 4.

The ornamental design for a wheelchair frame, as shown and described.